d3f9928ff0
This includes: - [jOOQ/jOOQ#11666] Expand unqualified asterisk when combined with other projection expressions and when not supported The current QUALIFY emulation works with unqualified asterisks in the synthetic derived table, which may need to be expanded again in some dialects.
102 lines
2.7 KiB
Java
102 lines
2.7 KiB
Java
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Other licenses:
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* -----------------------------------------------------------------------------
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* Commercial licenses for this work are available. These replace the above
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* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
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* database integrations.
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*
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* For more information, please visit: http://www.jooq.org/licenses
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package org.jooq.impl;
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// ...
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import static org.jooq.SQLDialect.H2;
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// ...
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import static org.jooq.impl.Keywords.K_EXCEPT;
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import java.util.Arrays;
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import java.util.Set;
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import org.jooq.Asterisk;
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import org.jooq.Context;
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import org.jooq.Field;
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import org.jooq.Name;
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import org.jooq.SQLDialect;
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/**
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* @author Lukas Eder
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*/
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final class AsteriskImpl extends AbstractQueryPart implements Asterisk {
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/**
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* Generated UI
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*/
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private static final long serialVersionUID = 6298415939984684260L;
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static final AsteriskImpl INSTANCE = new AsteriskImpl(new QueryPartList<>());
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static final Set<SQLDialect> SUPPORT_NATIVE_EXCEPT = SQLDialect.supportedBy(H2);
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static final Set<SQLDialect> NO_SUPPORT_UNQUALIFIED_COMBINED = SQLDialect.supportedBy();
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final QueryPartList<Field<?>> fields;
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private AsteriskImpl(QueryPartList<Field<?>> fields) {
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this.fields = fields;
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}
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@Override
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public final void accept(Context<?> ctx) {
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ctx.sql('*');
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// [#7921] H2 has native support for EXCEPT. Emulations are implemented
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// in SelectQueryImpl
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if (!fields.isEmpty())
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ctx.sql(' ').visit(K_EXCEPT).sql(" (").visit(fields).sql(')');
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}
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@Override
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public final Asterisk except(String... fieldNames) {
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return except(Tools.fieldsByName(fieldNames));
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}
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@Override
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public final Asterisk except(Name... fieldNames) {
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return except(Tools.fieldsByName(fieldNames));
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}
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@Override
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public final Asterisk except(Field<?>... f) {
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QueryPartList<Field<?>> list = new QueryPartList<>();
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list.addAll(fields);
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list.addAll(Arrays.asList(f));
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return new AsteriskImpl(list);
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}
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}
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